Haarlem in context: Street-network sprawl trends

Haarlem in context

1.82.12.42.7<19751976–19901991–20052006–2020SNDi of street additions
1.82.12.42.7<19751976–19901991–20052006–2020SNDi of entire street network
HaarlemNoord-Holland (Region)Netherlands (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Haarlem plotted against Noord-Holland and Netherlands. The SNDi of new construction in Haarlem peaked in 1976-1990, compared to Noord-Holland which rose steadily and Netherlands which peaked in 1991-2005. Most recently, Haarlem's incremental SNDi fell from 2.18 to 2.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Haarlem ranked 3rd out of 9 cities in Noord-Holland and 17th out of 43 in Netherlands as of 2020.

New Street Additions (2006–2020)

SNDi value
2.0
Rank in Netherlands
11th of 43
Rank in Noord-Holland
2nd of 9

Entire Network (Aggregate)

SNDi value
1.82
Rank in Netherlands
17th of 43
Rank in Noord-Holland
3rd of 9

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
HaarlemOviedo / UvieuBlagoveshchensk

In new street additions, Haarlem built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Oviedo / Uviéu built increasingly disconnected streets over time and Blagoveshchensk fluctuated in its street-construction patterns. For the full network, Haarlem and Oviedo / Uviéu both became progressively more disconnected, while Blagoveshchensk fluctuated in connectivity. Haarlem and Oviedo / Uviéu have been growing further apart in their street-network character since 1975.